﻿
<link href="bootstrap-3.3.0-dist/dist/css/bootstrap.css" rel="stylesheet">
<script src="bootstrap-3.3.0-dist/dist/js/jquery.min.js"></script>
<script src="bootstrap-3.3.0-dist/dist/js/bootstrap.js"></script>
<style type="text/css">
.wrapper {
  .make-row();
}
.content-main {
  .make-lg-column(8);
}
.content-secondary {
  .make-lg-column(3);
  .make-lg-column-offset(1);
}
</style>
<div class="wrapper">
  <div class="content-main">...</div>
  <div class="content-secondary">...</div>
</div>